diff --git a/src/wdm/debian/Packager.php b/src/wdm/debian/Packager.php
index a515a73..f7482f5 100644
--- a/src/wdm/debian/Packager.php
+++ b/src/wdm/debian/Packager.php
@@ -178,6 +178,8 @@ class Packager
             mkdir($destFolder, 0777, true);
         }
         copy($source, $dest);
+        if (fileperms($source) != fileperms($dest))
+            chmod($dest, fileperms($source));
     }
 
     public function build($debPackageName = false)